as far as jurisdiction, why does the fbi come on to our reservations to investigate murders and the whole question've who has jurisdiction is one of the issues that -- on the hill today dealing with violence against women and trying to figure out, how can tribal government be able to have jurisdiction to be able to protect their women and children from perpetrators. another issue that you deal with as a foundational piece in your book you talk about the indian child welfare act, and the doings and the -- adoptions and high number of chirp in foster care, and we're waiting for this decision coming out on foster care about the indian child welfare, and people who are policy decisionmakers should read this book because it has those grounding principles, oorigins of the issues we're dealing with today. so, as you're dealing with the few minute wes have left, what of those policies -- what were you thinking when you included those pieces within the book and what were your hopes? >> guest: a lot of peep want at sustain studies 101. how does sovereignty work? what is indian child welfare? there'